| Business | Phone |
| H & S Remodelling 1413 Old Hwy 99, Dundas L9H 5E3 | (905) 627-7474 |
| Housecrafters Limited 39 Dundas St E, Dundas L9H 7H8 | (905) 689-7393 |
| Purchase Jw 127 Middletown Rd, Dundas L9H 5E2 | (905) 627-9657 |
| Robsan Construction Ltd 101 Governor's Rd #702, Dundas L9H 6L7 | (905) 627-2875 |
| Birchside Builders Inc M74 Old Dundas Rd Rr 3, Dundas L9H 5E3 | (905) 648-7818 |
| Wassink Brothers Constr & Hlg 151 Highway 8, Dundas L9H 5E1 | (905) 628-8743 |
| Budrow Corp Ltd 15 Parkway Pl, Dundas L9H 6K3 | (905) 628-0628 |
| Dundas Home Improvements 123 Hatt St, Dundas L9H 2G5 | (905) 628-2212 |